CN107545085A - A kind of transformer station process layer network Mating graph automatic generation method - Google Patents
A kind of transformer station process layer network Mating graph automatic generation method Download PDFInfo
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Abstract
The present invention discloses a kind of transformer station process layer network Mating graph automatic generation method, the pattern template of setting up procedure layer network Mating graph first, graphics primitive object therein is used to formulate the form of expression and the rule of generation during instantiation, and selects voltage class and A/B network parameters；Then a newly-built picture is cloned from pattern template pictures, parses and record the pel template object inside new picture, obtain the configuration information of automatic mapping, establish the hierarchical relationship of drawing template object；The hierarchical relationship of acquisition process layer network connection, calculate the layout information of each layer；From left to right, the top layer layout of each center switch is calculated successively, generates the grid line between center switch；All secondary device graphics primitive objects, port object (po) and connection line object are generated according to drawing template object cloning, and object ID is established with drawing object and associated；Preserve picture.Such a method is applicable to secondary device visualization status in intelligent substation relay protection operational system and monitored.
Description
Technical field
The present invention relates to field of power is belonged to, the process layer net that is related in intelligent substation relay protection operational system
Network couples drawing generating method, and more particularly to one kind automatically generates process-level network based on substation relay protection SCD model informations
The method of Mating graph.
Background technology
With the popularization and application of intelligent substation, there occurs revolutionary variation, traditional power transformation for relay protection O＆M pattern
Operation maintenance management system of standing can not meet the needs of intelligent substation, and the O＆M of intelligent substation relay protection faces huge
Challenge, is in particular in the following aspects：Physics reality terminal is changed into empty terminal, and secondary circuit is invisible to be can not touch；Cable becomes
For optical cable, physical network trouble point is difficult to position；Relay protection device maintenance isolation peace arranges complexity, and maintenance and reorganization and expansion work are difficult
To carry out；Lack through the electronic edition configuration file of intelligent station construction, O＆M overall process and concentrate effectively management, cause to reconstruct, expand
Build, technological transformation, it is counter arrange, defect elimination etc. lacks foundation, and when configuration file changes, it is difficult to assess the influence to operational outfit；Mesh
Preceding relay protection maintenance is manually to carry out based on periodic inspection, inevitably producing " surplus maintenance ", efficiency is low.
State Grid Corporation of China formulates《Intelligent substation relay protection in-service monitoring and Intelligent Diagnosis Technology directive/guide》, with specification
The application of intelligent substation relay protection in-service monitoring and intelligent diagnostics.《Directive/guide》Clearly claim：Support relay protection system
Equipment and the secondary circuit on-line monitoring of system, reflect the operation conditions of relay protection system in real time；Visualization is according to hierarchical relationship
Intelligent substation whole station void loop is shown, including whole station, each voltage class, each interval, each IED equipment.
By analysis and research, relay protection operational system can pass through for the visualization system of secondary device in-service monitoring
Five class pictures realize that this five classes picture includes：Substation Bus Arrangement figure, process layer physics communication chart, interval protection physical connection
Logical links routing diagram in figure, interval secondary void loop (empty terminal) connection figure and optical fiber.Wherein process layer physics communication chart is real
The Stateful Inspection of existing whole station process layer physical topology.
Intelligent substation employed in network structure three layers of (station level, wall, process layer) two net (GOOSE nets,
MMS nets) structure distribution.Station level and interval layer network realize Stateful Inspection by transformer station is comprehensive from background system at present.Process layer
Then relay protection operational system provides the physics of whole station to network and empty loop monitors.
The intelligence that process layer physics communication chart is mainly made up of process layer switch, protection supervisory equipment, intelligent assembly is set
Standby MU, combining unit and intelligent terminal composition, are presented hierarchical structure on the whole.The general component voltage grade of process-level network is independently built
And if configured using single net or double nets (AB nets).
One canonical process layer network structure is as shown in figure 1, it is mainly characterized in that：1. generally hierarchical structure, common knot
Structure is two layers：Interchanger centered on first layer, the second layer are interval interchanger；2. protection, observing and controlling, combining unit and intelligent terminal
Hung over Deng intelligent electronic device under each layer switch.The star structure commonly used in figure for process layer, in Practical Project, according to change
Power plant scale, network structure design is otherwise varied, essentially consists in：1. each layer switch may have multiple；2. interchanger is not necessarily
It is 2 layers, it is also possible to only 1 layer of composition looped network, it is also possible to multilayer, therefore the interchanger number of plies can not be limited；3. same layer switch
Several looped network may be composed in series, not complete star.
At present relay protection operational system typically not provide process layer physical connection figure, a small amount of engineering provide the figure but
It is and realizes that efficiency is low using artificial drafting mode, it is difficult in maintenance.In order to reduce relay protection system maintenance work amoun,
Thus this case produces.
The content of the invention
The purpose of the present invention, it is to provide a kind of transformer station process layer network Mating graph automatic generation method, it can
Secondary device visualization status monitors suitable for intelligent substation relay protection operational system.
In order to reach above-mentioned purpose, solution of the invention is：
A kind of transformer station process layer network Mating graph automatic generation method, comprises the following steps：
(1) the pattern template of setting up procedure layer network Mating graph, the pattern template are used for customized graphicses effect of visualization, sample
The form of expression and the rule of generation, graphic style template when graphics primitive object in formula template is used to formulate instantiation are also in itself
One figure, the pel template object of drawing process layer network Mating graph in the figure, specified by pel template object each
The form of expression and drawing convention of kind equipment；And select voltage class and A/B network parameters；
(2) according to voltage class and A/B network parameters, a newly-built picture is cloned from pattern template pictures, parses and remembers
The pel template object inside new picture is recorded, obtains the configuration information of automatic mapping, establishes the hierarchical relationship of drawing template object；
(3) hierarchical relationship of acquisition process layer network connection；
(4) layout information of each layer is calculated；
(5) from left to right, the top layer layout of each center switch is calculated successively, finally between regeneration center switch
Grid line, complete whole networks；
(6) all secondary device graphics primitive object, port object (po) and connecting lines pair are generated according to drawing template object cloning
As, and object ID is established with drawing object and associated；
(7) picture automatically generated is preserved.
The detailed content of above-mentioned steps (3) is：According to the voltage class of input and AB network parameters, from SCD model libraries
Obtain the hierarchical structure of center switch-interval interchanger-secondary device, and the link relation between each layer.
The detailed content of above-mentioned steps (4) is：Mutually tied with switchboard direct connection IED layouts using switch network hierarchical layout
Close, each layout layer information from " center switch-interval interchanger-IED devices " calculated by depth-first recursive algorithm,
Layout information includes connecting line coordinates, every layer of coordinate information between rectangle Geometry information, port coordinate and the port of each equipment
It is all based on the relative co-ordinate information of last layer.
It is above-mentioned using switch network hierarchical layout as " face ", to be laid out with switchboard direct connection IED as " point " when being laid out,
During switch network hierarchical layout, direct-connected IED layouts are carried out to each interchanger, layout method process is as follows：
(a) the first layer switch quantity and its lower direct screening IED device quantity are obtained；
(b) start the cycle over and travel through each interchanger, depth-first recurrence layout stream is called to each first layer switch
Journey, obtain the layout result of the interchanger layers below；
(c) principle according to " center switch is placed in the middle, and interval interchanger is uniformly distributed up and down " and occupy-place, determine that center is handed over
Change planes and the position of its lower interchanger and cabling.
The input of above-mentioned depth-first recursive algorithm is exchanger information, including level, dispensing position and infrastructure devices row
Table；It is as follows often to take turns recursive procedure step：
(i) interchanger and direct screening IED partial layout information are called；
(ii) judge whether lower layer switch list is empty, if sky, is then gone to step (iii)；If it is not sky, explanation
There is subordinate's interchanger, go to step (vi)；
(iii) the first layer switch is determined whether, if it is, by lower layer switch by evenly distributing up and down, and will
Allocation result is recorded in lower floor's exchanger information；If it is not, then lower layer switch is distributed by this interchanger homonymy, such as this friendship
The dispensing position changed planes is upside, then descends layer switch to be also fully allocated to the upside of this interchanger, vice versa；
(v) recurrence layout flow is called to each lower layer switch, obtains the layout result of lower layer switch layers below；
(vi) according to the position method of salary distribution of lower layer switch and the layout result of lower layer switch, with reference to this interchanger
Partial layout information, all hierarchical layout information of this interchanger administrative area are calculated.
The method of above-mentioned switchboard direct connection IED layout is：First determine whether interchanger is the first layer switch, if
It is that position and the cabling of each IED devices are then calculated using " double wild goose shapes "；If not the first layer switch, then according to this friendship
Depending on the dispensing position changed planes, if being assigned to top, using " upper wild goose shape " each protection device of layout calculation position and
Cabling, conversely, position and cabling using " lower wild goose shape " each protection device of layout calculation；Finally calculate interchanger itself and
Partial layout information of the bounding box of direct-connected IED layouts as this interchanger.
In above-mentioned steps (5), calculating the step of top layer is laid out is：Center switch is ranked up first, for single A
Net or B nets, the center switch chosen only with layer extension tie is starting point, the connection searched for successively between top layer interchanger
Relation, obtain the sequence of whole center switch.
The detailed content of above-mentioned steps (6) is：Traversal is layered since top layer center switch, for each layer device object
Matched with the hierarchical relationship of template graphics primitive object, find corresponding template graphics primitive object, and the equipment is generated using clonal fashion
Graphics primitive object, the absolute coordinate of computing device simultaneously sets and arrives newly-generated graphics primitive object, by device object ID and drawing object
Establish association.
After such scheme, the present invention quickly can give birth to automatically according to intelligent substation relay protection SCD model informations
Into process-level network Mating graph, the graph visualization of process-level network is not only realized, solves substation relay protection O＆M
For the graph visualization monitoring problem of process-level network structure in system, and artificial graphing is not needed, greatly improved
The efficiency of engineering maintenance.
Brief description of the drawings
Fig. 1 is process-level network structural representation；
Fig. 2 is the overview flow chart of the present invention；
Fig. 3 is switch network hierarchical layout schematic diagram；
Fig. 4 is interchanger and direct-connected IED layout type schematic diagram；
Fig. 5 is recurrence layout flow chart；
Fig. 6 is switchboard direct connection IED layout flow charts.
Embodiment
Below with reference to accompanying drawing, technical scheme and beneficial effect are described in detail.
It is the characteristics of for transformer station process layer network topological structure, visual with the figure of implementation process layer physical network
Target is turned to, to improve maintenance aspect property and efficiency, reduce artificial figure maintenance work as principle, the present invention proposes a kind of suitable
The transformer station process layer network monitored for secondary device visualization status in intelligent substation relay protection operational system
Mating graph automatic generation method, it can be widely used for intelligent substation internal procedure layer secondary device (including interchanger and various intelligence
Electronic equipment) network topology map generalization, coordinate shown in Fig. 2, the present invention comprises the following steps：
(1) draw and prepare
Drawing preparation has two, and pattern template prepares and parameter prepares.
Pattern template prepares：Create or change the pattern template of process-level network Mating graph.Pattern template is default form
Template, the overall situation only one, for adjusting graph visualization effect.When graphics primitive object in pattern template is used to formulate instantiation
The form of expression and generation rule, be easy to according to Practical Project demand adjusting device pel effect and integral layout effect.
Editing graph pattern template.Graphic style template is also a figure in itself, the drawing process layer net in the figure
The pel template object of network Mating graph.The form of expression and drawing convention of various equipment can be specified by pel template object.
Pel template object has center switch, interval interchanger, IED, port, connecting line etc., by creating or selecting from pel storehouse
Visualization pel of the alternative pel as certain type equipment is selected, realizes the flexible customization of the equipment form of expression.Simultaneously, there is provided figure
The automatic mapping parameter editing interface of meta template object, can be with the title of object, parameter, level, spacing, stop in definition template
Position etc. information, to help preferably automatic mapping.
Parameter prepares：Select voltage class and A/B networks.Process-level network is component voltage grade independence networking, according to reality
Border demand, using single net or double nets (A/B nets) structure.Therefore process-level network Mating graph is for list with " power network grade-network "
Position, therefore in a newly-built process-level network Mating graph, it is necessary to given voltage grade and A/B network parameters, and be named as
" process layer _ voltage class _ network ".
(2) newly-built Blank pictures
According to the newly-built picture of template.According to voltage class and A/B network parameters, newly-built one is cloned from pattern template pictures
Picture, and it is automatically named as " process layer _ voltage class _ network ".Parse and record the pel template object inside new picture, obtain
The configuration information of automatic mapping is taken, establishes the hierarchical relationship of drawing template object, such as center switch and interval interchanger, dress
Put the set membership with port.
(3) acquisition process layer network model
By reading SCD model libraries, the hierarchical relationship of acquisition process layer network connection.According to the voltage class and A/ of input
B network parameters, the hierarchical relationship of center switch-interval interchanger-secondary device is read by SCD model libraries query interface,
And the link relation between each layer.
(4) layout information of each layer is calculated
By analyzing the topological structure feature of process-level network, it is found that whole process layer network structure has two kinds
Different structures：Structure between switch network hierarchy, interchanger and direct screening IED.For simplified topology process, by cloth
Office's problem is divided into Liang Zhong layout process：Switch network hierarchical layout and switchboard direct connection IED layouts, the former is global big cloth
Office, the latter are local small layouts.Therefore whole placement algorithm is using switch network hierarchical layout as " face ", with direct screening under interchanger
IED layouts are " point ".
1) switch network hierarchical layout
Switch network hierarchical layout is arranged using first layer in by-level, and the second layer is two above and below the first layer switch
Layer symmetric arrays, layers below is arranged in the homonymy of last layer interchanger, can be coordinated shown in Fig. 3.
2) switchboard direct connection IED is laid out
Switchboard direct connection IED layout comparisons are simple, can be divided into three according to the relative position relation between IED and interchanger
Kind situation is laid out, and the present embodiment is used in different respectively by the way of " double wild goose shapes ", " upper wild goose shape " and " lower wild goose shape "
Occasion, as shown in Figure 4.These three layout type, it is clear in structure and be easy to cabling.
" upper wild goose shape "：All IED side's layouts, and be divided into the two groups of arrangements in left and right on switches, between IED and interchanger
Broken line using a flex point enters walking line.Suitable for being disposed between the interval interchanger of top and its direct-connected IED
Layout.
" lower wild goose shape "：All IED are laid out below interchanger, and are divided into the two groups of arrangements in left and right, between IED and interchanger
Broken line using a flex point enters walking line.Suitable for being disposed between the interval interchanger of lower section and its direct-connected IED
Layout.
" double wild goose shapes "：Side is laid out on switches with protection for observing and controlling in all IED, and combining unit, intelligent terminal etc. are once
Smart machine is laid out in the lower section of interchanger, and top is divided into the two groups of arrangements in left and right with lower section, and one is used between IED and interchanger
The broken line of individual flex point enters walking line.Be laid out suitable for the direct-connected IED of center switch, by IED interchanger distribution up and down.
3) layout calculation process
Since first layer center switch list, call depth-first recursive algorithm, calculate from " center switch-
Each layout layer information of interval interchanger-IED devices ".Layout information includes the rectangle Geometry information of each equipment, port is sat
Be marked with and port between connect line coordinates, every layer of coordinate information is all based on the relative co-ordinate information of last layer.
Detailed process is：
(a) the first layer switch quantity and its lower direct screening IED device quantity are obtained；
(b) start the cycle over and travel through each interchanger.Depth-first recursive algorithm is called to each first layer switch, can
To obtain the layout result of the interchanger layers below；
(c) principle according to " center switch is placed in the middle, and interval interchanger is uniformly distributed up and down " and occupy-place, determine that center is handed over
Change planes and the position of its lower interchanger and cabling.
4) recurrence layout flow
The input of depth-first recursive algorithm is exchanger information, including level, dispensing position and infrastructure devices list.Often
Recursive procedure is taken turns as shown in figure 5, comprising the following steps：
Step1:Interchanger partial layout flow is called, obtains this interchanger and direct screening IED partial layout information.
Step2:Judge whether lower layer switch list is empty, if sky, then directly redirects Step2.If being not sky,
Illustrate there is subordinate's interchanger, into Step5.
Step3:Determine whether the first layer switch.If it is, by lower layer switch by evenly distributing up and down, and will
Allocation result is recorded in lower floor's exchanger information；If it is not, then lower layer switch is distributed by this interchanger homonymy, such as this friendship
The dispensing position changed planes is upside, then descends layer switch to be also fully allocated to the upside of this interchanger, vice versa.
Step4：Start the cycle over and travel through each lower layer switch.This recurrence layout stream is called to each lower layer switch
Journey, the layout result of lower layer switch layers below can be obtained.
Step5：According to the position method of salary distribution of lower layer switch and the layout result of lower layer switch, with reference to this exchange
The partial layout information of machine, all hierarchical layout information of this interchanger administrative area are calculated.If lower layer switch is
Sky, then directly it is the partial layout information of interchanger.
Step6:Return to the layout result of secondary device in this interchanger and administrative area.
5) switchboard direct connection IED is laid out flow
Switchboard direct connection IED layout flows are completed to the layout between each interchanger and direct screening IED.Flow input exchanges
Machine information, including level, dispensing position and direct screening IED list of devices.As shown in fig. 6, main flow is as follows：
Step1：Judge whether interchanger is the first layer switch.Filled if it is, calculating each IED using " double wild goose shapes "
The position put and cabling, subsequently into Step3；If it is not, then into Step2；
Step2：Judge the dispensing position of this interchanger, it is each using " upper wild goose shape " layout calculation if being assigned to top
The position of individual protection device and cabling, into Step3.Conversely, the position using " lower wild goose shape " each protection device of layout calculation
And cabling, into Step3；
Step3：Calculate the partial layout of interchanger.The partial layout of interchanger is comprising interchanger itself and directly
The bounding box of IED layouts；
Step4：Return to the partial layout of interchanger.
(5) top layer layout is calculated
From left to right, the top layer layout of each center switch is calculated successively, finally between regeneration center switch
Grid line, you can complete whole networks.
Center switch is ranked up first, for single network (A nets or B nets), center switch negligible amounts, and
It is extended using series connection, therefore center switch of the selection only with layer extension tie can be used as starting point, according to
Connecting relation between secondary search top layer interchanger, obtains the sequence of whole center switch.
(6) drawing object is generated
All secondary device graphics primitive objects, port object (po) and connection line object are generated according to drawing template object cloning,
And object ID is established with drawing object and associated, it is easy to realize state real-time display during in-service monitoring.
Traversal is layered since top layer center switch, for each layer equipment (including secondary device, port, net connection
Line) object matches with the hierarchical relationship of template graphics primitive object, find corresponding to template graphics primitive object, and generated using clonal fashion
The graphics primitive object of the equipment, the absolute coordinate of computing device simultaneously sets and arrives newly-generated graphics primitive object, by device object ID with painting
Figure object establishes association.
(7) picture is preserved.
Picture is preserved, and the picture automatically generated can be opened and carry out local modification and adjustment, can to reach optimum intersection figure
Depending on changing effect.
The technological thought of above example only to illustrate the invention, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.
Claims (8)
1. a kind of transformer station process layer network Mating graph automatic generation method, it is characterised in that comprise the following steps：
(1) the pattern template of setting up procedure layer network Mating graph, the pattern template are used for customized graphicses effect of visualization, pattern mould
Graphics primitive object in plate is used to formulate the form of expression and the rule of generation during instantiation, and graphic style template is also one in itself
Figure, the pel template object of drawing process layer network Mating graph in the figure, various set is specified by pel template object
The standby form of expression and drawing convention；And select voltage class and A/B network parameters；
(2) according to voltage class and A/B network parameters, newly-built a picture is cloned from pattern template pictures, parses and records new
Pel template object inside picture, the configuration information of automatic mapping is obtained, establish the hierarchical relationship of drawing template object；
(3) hierarchical relationship of acquisition process layer network connection；
(4) layout information of each layer is calculated；
(5) from left to right, the top layer layout of each center switch is calculated successively, finally regenerates the net between center switch
Winding thread, complete whole networks；
(6) all secondary device graphics primitive objects, port object (po) and connection line object are generated according to drawing template object cloning, and
Object ID is established with drawing object and associated；
(7) picture automatically generated is preserved.
A kind of 2. transformer station process layer network Mating graph automatic generation method as claimed in claim 1, it is characterised in that：
The detailed content of the step (3) is：According to the voltage class of input and AB network parameters, center is obtained from SCD model libraries
The hierarchical structure of interchanger-interval interchanger-secondary device, and the link relation between each layer.
A kind of 3. transformer station process layer network Mating graph automatic generation method as claimed in claim 1, it is characterised in that：
The detailed content of the step (4) is：It is combined, is passed through using switch network hierarchical layout and switchboard direct connection IED layouts
Depth-first recursive algorithm calculates each layout layer information from " center switch-interval interchanger-IED devices ", layout letter
Breath includes connecting line coordinates between rectangle Geometry information, port coordinate and the port of each equipment, and every layer of coordinate information is all base
In the relative co-ordinate information of last layer.
A kind of 4. transformer station process layer network Mating graph automatic generation method as claimed in claim 3, it is characterised in that：
It is described when being laid out, using switch network hierarchical layout as " face ", it is laid out with switchboard direct connection IED as " point ", in interchanger
In network hierarchy layout process, direct-connected IED layouts are carried out to each interchanger, layout method process is as follows：
(a) the first layer switch quantity and its lower direct screening IED device quantity are obtained；
(b) start the cycle over and travel through each interchanger, depth-first recurrence layout flow is called to each first layer switch, is obtained
To the layout result of the interchanger layers below；
(c) principle according to " center switch is placed in the middle, and interval interchanger is uniformly distributed up and down " and occupy-place, determine center switch
Position and cabling with its lower interchanger.
A kind of 5. transformer station process layer network Mating graph automatic generation method as claimed in claim 3, it is characterised in that：
The input of the depth-first recursive algorithm is exchanger information, including level, dispensing position and infrastructure devices list；Often wheel is passed
Return process steps as follows：
(i) interchanger and direct screening IED partial layout information are called；
(ii) judge whether lower layer switch list is empty, if sky, is then gone to step (iii)；If being not sky, illustrate under having
Level interchanger, goes to step (vi)；
(iii) the first layer switch is determined whether, if it is, by lower layer switch by evenly distributing up and down, and will distribution
As a result it is recorded in lower floor's exchanger information；If it is not, then lower layer switch is distributed by this interchanger homonymy, such as this interchanger
Dispensing position be upside, then descend layer switch to be also fully allocated to the upside of this interchanger, vice versa；
(v) recurrence layout flow is called to each lower layer switch, obtains the layout result of lower layer switch layers below；
(vi) according to the position method of salary distribution of lower layer switch and the layout result of lower layer switch, with reference to the office of this interchanger
Portion's layout information, all hierarchical layout information of this interchanger administrative area are calculated.
A kind of 6. transformer station process layer network Mating graph automatic generation method as claimed in claim 3, it is characterised in that：
The method of switchboard direct connection IED layout is：First determine whether interchanger is the first layer switch, if it is, using
" double wild goose shapes " calculates position and the cabling of each IED devices；If not the first layer switch, the then distribution according to this interchanger
Depending on position, if being assigned to top, position and cabling using " upper wild goose shape " each protection device of layout calculation, conversely,
Position and cabling using " lower wild goose shape " each protection device of layout calculation；Finally calculate interchanger itself and direct-connected IED cloth
Partial layout information of the bounding box of office as this interchanger.
A kind of 7. transformer station process layer network Mating graph automatic generation method as claimed in claim 1, it is characterised in that：
In the step (5), calculating the step of top layer is laid out is：Center switch is ranked up first, for single A nets or B nets,
The center switch chosen only with layer extension tie is starting point, the connecting relation searched for successively between top layer interchanger, is obtained
To the sequence of whole center switch.
A kind of 8. transformer station process layer network Mating graph automatic generation method as claimed in claim 1, it is characterised in that：
The detailed content of the step (6) is：Traversal is layered since top layer center switch, for each layer device object and Prototype drawing
The hierarchical relationship matching of meta object, finds corresponding template graphics primitive object, and the pel pair of the equipment is generated using clonal fashion
As, computing device absolute coordinate and set and arrive newly-generated graphics primitive object, device object ID is associated with drawing object foundation.
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| CN117376116A (en) * | 2023-10-08 | 2024-01-09 | 苏州异格技术有限公司 | Configuration method and device of virtual switch, computer equipment and storage medium |
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| CN117473939A (en) * | 2023-12-28 | 2024-01-30 | 苏州元脑智能科技有限公司 | PCB modularized layout device matching method and device, electronic equipment and medium |
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